121 Robin Hill Rd, Groton — property record card
Two-Family Residential built in 2018 on 0.48 acres in Groton, assessed at $20,260,700 for fiscal year 2026; last sold for $920,000 on March 6, 2026.
Rebuilt from the Groton assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Groton assessor’s office.
Parcel
| Location | 121 Robin Hill Rd, Groton MA 01450 |
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| Map and parcel ID | 120_2_40 120_2_40_B |
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| Use | Two-Family Residential (use code 1040) |
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| Zoning | RA |
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| County | Middlesex |
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Valuation — fiscal year 2026
| Building | $19,998,800 |
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| Land | $261,900 |
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| Total assessed | $20,260,700 |
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Land
| Lot size | 0.48 acres (20,939 ft²) |
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Building
| Year built | 2018 |
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| Style | Family Duplex |
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| Living area | 4,207 ft² |
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| Rooms | 10 |
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| Stories | 2 |
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| Units | 26 |
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Last recorded sale
| Price | $920,000 |
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| Date | March 6, 2026 |
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| Deed | Registry of Deeds book 85311, page 402 |
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26 assessor accounts on this parcel
Condominium units or several buildings share one parcel; each has its own assessment.
| Address | Account | Use | Assessed | Last sale |
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| 35 Hummingbird Ln #17 | 120_2_40_17 | Residential Condominium | $787,100 | nominal ($1)
January 9, 2025 |
| 45 Hummingbird Ln #18 | 120_2_40_20 | Residential Condominium | $812,200 | nominal ($1)
October 29, 2021 |
| 46A Hummingbird Ln #2A | 120_2_40_2A | Residential Condominium | $816,000 | nominal ($100)
November 21, 2023 |
| 46B Hummingbird Ln #3B | 120_2_40_3B | Residential Condominium | $816,000 | nominal ($1)
March 30, 2022 |
| 58 Hummingbird Ln #1 | 120_2_40_1 | Residential Condominium | $838,300 | $699,000
August 27, 2021 |
| 63A Hummingbird Ln #19A | 120_2_40_19A | Residential Condominium | $798,800 | $585,000
February 18, 2021 |
| 63B Hummingbird Ln #18B | 120_2_40_18B | Residential Condominium | $798,800 | $795,000
April 4, 2024 |
| 72A Hummingbird Ln | 120_2_40_4A | Residential Condominium | $831,200 | $669,000
October 27, 2020 |
| 72B Hummingbird Ln #5B | 120_2_40_5B | Residential Condominium | $831,200 | nominal ($1)
September 17, 2025 |
| 72C Hummingbird Ln #6C | 120_2_40_6C | Residential Condominium | $808,900 | $790,000
October 5, 2023 |
| 72D Hummingbird Ln #7D | 120_2_40_7D | Residential Condominium | $808,900 | $579,000
September 25, 2020 |
| 75 Hummingbird Ln #21 | 120_2_40_21 | Residential Condominium | $812,200 | $825,900
August 14, 2023 |
| 84 Hummingbird Ln #8 | 120_2_40_8 | Residential Condominium | $820,900 | $689,000
May 14, 2021 |
| 88 Hummingbird Ln #9 | 120_2_40_9 | Residential Condominium | $820,900 | nominal ($1)
June 17, 2022 |
| 95 Hummingbird Ln #22 | 120_2_40_22 | Residential Condominium | $820,900 | $920,000
March 6, 2026 |
| 100A Hummingbird Ln #10A | 120_2_40_10A | Residential Condominium | $741,000 | $700,000
August 17, 2022 |
| 100B Hummingbird Ln #11B | 120_2_40_11B | Residential Condominium | $741,000 | nominal ($1)
March 28, 2023 |
| 100C Hummingbird Ln #12C | 120_2_40_12C | Residential Condominium | $748,600 | nominal ($1)
December 29, 2025 |
| 100D Hummingbird Ln #13D | 120_2_40_13D | Residential Condominium | $748,600 | $789,900
August 11, 2023 |
| 100E Hummingbird Ln | 120_2_40_14A | Residential Condominium | $857,500 | $869,900
April 1, 2024 |
| 108 Hummingbird Ln | 120_2_40_15B | Residential Condominium | $820,900 | $799,900
November 18, 2022 |
| 115A Hummingbird Ln #24A | 120_2_40_24A | Residential Condominium | $831,500 | $629,900
February 7, 2022 |
| 115B Hummingbird Ln #23B | 120_2_40_23B | Residential Condominium | $740,300 | $689,900
June 2, 2022 |
| 120 Hummingbird Ln #16 | 120_2_40_16 | Residential Condominium | $838,300 | $729,000
January 21, 2022 |
| 121 Robin Hill Rd | 120_2_40_B | Two-Family Residential | $970,700 | nominal ($1)
March 24, 2023 |
| Robin Hill Rd | 120_2_40_A | Other, Open Space | $0 | nominal ($1)
January 30, 1998 |
What MassDEP has recorded
No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.
What this means
- Assessed 3209% above the median two-family residential in Groton ($612,200, 133 parcels).
- The last sale price is 95% below the current assessment. Massachusetts assessments aim at full market value as of January 1 of the year before the fiscal year.
Point at the centre of the assessor parcel — not a survey.
Data: Groton assessor file for fiscal year 2026, via MassGIS, retrieved October 30, 2026; MassDEP sites retrieved the same day. Sources and freshness. No owner names are published.
The report for 121 Robin Hill Rd
This page shows the assessor record and the MassDEP sites on the parcel. The report adds what lies around it: FEMA flood zone, wetlands, Zone II and other water supply protection areas, priority habitat, sewer or septic service, protected open space, and every 21E site within half a mile.
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Order the report